•1940 Born at Urawa, Saitama, Japan.
•1947 – 1953 Primary school attached to Saitama University.
•1953 Started taking photographs by using a twin-lens reflex camera.
•1953 – 1956 Junior high school attached to Saitama University.
•1956 – 1959 Hibiya metropolitan high school.
•1959 – 1963 The University of Tokyo (Department of Physics, Faculty of Science)
High speed photography, X-ray photography
•1963 B. Sc. (Physics)
•1963 – 1968 Graduate school of the University of Tokyo.
Plasma physics, Accelerator physics
•1965 M. Sc. (Physics)
•1968 D. Sc. (Physics)
•1969 – 1994 Japan Atomic Energy Research Institute
(Head, Plasma Theory Laboratory, Nuclear Fusion Research)
Plasma physics, Nuclear fusion research, Computational physics
•1984 Started engraving stone seals
•1994 – 2006 The University of Electro-Communications
(Professor, Department of Computer Sciences)
Computational physics, Neural network, Image processing
•2002 Started taking photographs by lensless cameras
•2006 Professor Emeritus, The University of Electro-Communications
Started taking photographs by infrared and ultraviolet lights
